Base | Representation |
---|---|
bin | 10101101101101… |
… | …00000111110111 |
3 | 110200201202001221 |
4 | 22312310013313 |
5 | 333112011211 |
6 | 30023531211 |
7 | 4341114403 |
oct | 1266640767 |
9 | 420652057 |
10 | 182141431 |
11 | 938a560a |
12 | 50bb9b07 |
13 | 2b9737c4 |
14 | 1a294103 |
15 | 10eccc71 |
hex | adb41f7 |
182141431 has 4 divisors (see below), whose sum is σ = 188422200. Its totient is φ = 175860664.
The previous prime is 182141419. The next prime is 182141447. The reversal of 182141431 is 134141281.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 182141431 - 213 = 182133239 is a prime.
It is a super-2 number, since 2×1821414312 = 66351001773455522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 182141396 and 182141405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (182141131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140341 + ... + 3140398.
It is an arithmetic number, because the mean of its divisors is an integer number (47105550).
Almost surely, 2182141431 is an apocalyptic number.
182141431 is a deficient number, since it is larger than the sum of its proper divisors (6280769).
182141431 is an equidigital number, since it uses as much as digits as its factorization.
182141431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6280768.
The product of its digits is 768, while the sum is 25.
The square root of 182141431 is about 13495.9783268943. The cubic root of 182141431 is about 566.8518670702.
The spelling of 182141431 in words is "one hundred eighty-two million, one hundred forty-one thousand, four hundred thirty-one".
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